Bottle cap



FIG. 1 is a perspective view of a bottle cap according to the design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a right-side view thereof.

The broken lines depict portions of the bottle cap that form no part of the claimed design. 

CLAIM The ornamental design for a bottle cap, as shown and described. 